(A) A lift-out rail assembly shall permit easy removal and installation of the pump and lower check valve without the necessity of personnel entering the basin. Cast iron guide brackets with guide yokes of sufficient bearing strength to prevent binding shall bolt to the pump. The yokes shall mate over guide rails of a minimum of one-inch galvanized pipe running between an upper rail support casting. A lower discharge nozzle, downstream from the check valve, shall be guided into a chambered cavity in the discharge casing. A shoulder on the nozzle shall bottom on the discharge casting when the pump is properly located and shims shall not be required to insure alignment for a leak tight seal. Dual O rings shall effect a hydraulic seal around the nozzle when it is in its operating position. A brace, easily removable from the top of each basin, shall be provided to lock the parts together, preventing line surges from breaking the seal and allowing leakage. The discharge case shall have a tapped discharge opening with piping to a coupling through the basin wall.
(B) The discharge case shall be securely bolted to the basin floor and arranged in a way that slight deflection caused by the discharge pipe will not cause the quick-connect pump flange to leak.
(C) A lifting chain shall be securely fastened to the top of the pump and to the top of the basin to facilitate removal of the pump. The chain shall be a minimum of one-fourth-inch welded link type or of adequate strength required to effectively support the weight of the pump assembly while removing and installing.
(Ord. passed 6-21-2011)